CompilerAdapter for <javac> task + test for compiler attribute

No test for the typedef <withKotlin/> because Ant 1.7 doesn't seem to support typedef inside <javac>

compiler/integration-tests/src/org/jetbrains/kotlin/AntTaskTest.java

@@ -19,15 +19,18 @@ package org.jetbrains.kotlin;
 import org.junit.Test;
 
 import java.io.File;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 
 import static junit.framework.Assert.assertEquals;
 
 public class AntTaskTest extends KotlinIntegrationTestBase {
-    private void doAntTest() throws Exception {
+    private void doAntTest(String... extraJavaArgs) throws Exception {
         String jar = tmpdir.getTmpDir().getAbsolutePath() + File.separator + "hello.jar";
         String runtime = new File("dist/kotlinc/lib/kotlin-runtime.jar").getAbsolutePath();
 
-        assertEquals("compilation failed", 0, runAnt("build.log", "build.xml"));
+        assertEquals("compilation failed", 0, runAnt("build.log", "build.xml", extraJavaArgs));
         runJava("hello.run", "-cp", jar + File.pathSeparator + runtime, "Hello.HelloPackage");
     }
 
@@ -41,18 +44,29 @@ public class AntTaskTest extends KotlinIntegrationTestBase {
         doAntTest();
     }
 
+    @Test
+    public void javacCompiler() throws Exception {
+        doAntTest("-cp", getCompilerLib() + "/kotlin-ant.jar");
+    }
+
     @Override
     protected String normalizeOutput(String content) {
         return super.normalizeOutput(content)
                 .replaceAll("Total time: .+\n", "Total time: [time]\n");
     }
 
-    private int runAnt(String logName, String scriptName) throws Exception {
-        return runJava(logName, "-jar", getAntHome() + File.separator + "lib" + File.separator + "ant-launcher.jar",
-                       "-Dkotlin.lib=" + getCompilerLib(),
-                       "-Dtest.data=" + testDataDir,
-                       "-Dtemp=" + tmpdir.getTmpDir(),
-                       "-f", scriptName);
+    private int runAnt(String logName, String scriptName, String... extraJavaArgs) throws Exception {
+        String[] basicArgs = {
+                "-jar", getAntHome() + File.separator + "lib" + File.separator + "ant-launcher.jar",
+                "-Dkotlin.lib=" + getCompilerLib(),
+                "-Dtest.data=" + testDataDir,
+                "-Dtemp=" + tmpdir.getTmpDir(),
+                "-f", scriptName
+        };
+        List<String> strings = new ArrayList<String>();
+        strings.addAll(Arrays.asList(basicArgs));
+        strings.addAll(Arrays.asList(extraJavaArgs));
+        return runJava(logName, strings.toArray(new String[strings.size()]));
     }
 
     private static String getAntHome() {

compiler/integration-tests/testData/javacCompiler/build.log.expected

@@ -0,0 +1,12 @@
+OUT Buildfile: build.xml
+OUT 
+OUT build:
+OUT     [mkdir] Created dir: [Temp]/classes
+OUT     [javac] Compiling 1 source file to [Temp]/classes
+OUT     [javac] Compiling [[[TestData]/root1]] => [[Temp]/classes]
+OUT     [javac] Running javac...
+OUT       [jar] Building jar: [Temp]/hello.jar
+OUT 
+OUT BUILD SUCCESSFUL
+OUT Total time: [time]
+Return code: 0

compiler/integration-tests/testData/javacCompiler/build.xml

@@ -0,0 +1,13 @@
+<project name="Ant Task Test" default="build">
+
+    <target name="build">
+        <delete dir="${temp}/classes" failonerror="false"/>
+        <mkdir dir="${temp}/classes"/>
+        <javac destdir="${temp}/classes" compiler="org.jetbrains.jet.buildtools.ant.KotlinCompilerAdapter">
+          <src path="${test.data}/root1"/>
+        </javac>
+        <jar destfile="${temp}/hello.jar">
+          <fileset dir="${temp}/classes"/>
+        </jar>
+    </target>
+</project>

compiler/integration-tests/testData/javacCompiler/hello.run.expected

@@ -0,0 +1,3 @@
+OUT Hello, a!
+OUT Java
+Return code: 0

compiler/integration-tests/testData/javacCompiler/root1/hello.kt

@@ -0,0 +1,7 @@
+package hello
+
+fun main(args : Array<String>) {
+    for (s in arrayList("a"))
+      println("Hello, $s!")
+    j.Java().f();
+}

compiler/integration-tests/testData/javacCompiler/root1/j/Java.java

@@ -0,0 +1,14 @@
+package j;
+
+import java.lang.String;
+import java.lang.System;
+
+public class Java {
+    public void f() {
+        System.out.println("Java");
+    }
+
+    public static void main(String[] args) {
+        hello.HelloPackage.main(new String[] {});
+    }
+}